archness vs impertinence

archness and impertinence both are nouns.

Word	Noun	Adjective	Verb	Adverb
archness	Yes	No	No	No
impertinence	Yes	No	No	No

As nouns, archness and impertinence are synonyms defined as:

Other synonyms of archness include perkiness, pertness, sauciness.

archness (noun)	impertinence (noun)
inappropriate playfulness	inappropriate playfulness
	the trait of being rude and impertinent; inclined to take liberties
	an impudent statement